Drum ring



FIG. 1 is a perspective view of a drum ring showing my new design;

FIG. 2 is a top view of a drum ring showing my new design;

FIG. 3 is a side view of a drum ring showing my new design; and,

FIG. 4 is another side view of the drum ring showing my new design.

The broken lines in FIGS. 1–4 illustrate environmental structure and form no part of the claimed design. 

The ornamental design for a drum ring, as shown and described. 